WhatsApp Messenger is a smartphone messaging app which allows you to exchange messages with your friends and contacts without having to pay for SMS. WhatsApp Messenger is cross platform and is currently available also for iPhone and BlackBerry. To send and receive messages, WhatsApp utilizes your existing smartphone internet data plan: 3G/EDGE (or Wi-Fi when available)...

Facebook Chat - Touch - Login to your Facebook Chat securely without using any intermediate gateway/server. Advantages are, you will not share your password and messages with any 3rd party as you do while using other IM clients, and also you ’ll not get any push advertisements...

eBuddy is a free mobile messenger for Symbian s60 3rd and 5th edition devices.
Now UPDATED to v2.0.1!
With eBuddy, you can stay in touch with all your friends on MSN, Yahoo, Facebook, Gtalk, AIM and ICQ! You can chat with all your friends, everywhere...

Free-iSMS is an iPhone-style sms chat software for S60 3rd&5th.
Version 1.02 is a stable version for public. It fixes bugs of version 1.00 and v1.01 and adds some more new functions.
Free-iSMS displays your messages in threads, it can schedule your messages, and it can send fake messages to your inbox too...

Mobile internet service & community that enables you to access & interact with your social networks on-the-go, make free calls and live chat with all your fring, Skype, MSN Messenger, Google Talk, ICQ, SIP, Twitter, Yahoo! and AIM friends...

Snaptu is a free mobile service that offers you a selection of fun and useful applications. Now UPDATED to version 1.3.1 BETA!
* A fast and easy way to access the Internet on your phone
* Turns your existing phone into a cool Internet device
Now featuring new applications!!
* Facebook application to stay updated with your social life while on the go...

VmICQ - ICQ client
1.now you can make friends directly from your cell phoneby searching for people like in icq for pc
2.more x-status add
3.more accurate english translation because i made this version according to the qip
4...

Slick is messenger application for mobile phones. It allows you to chat with your friends connected though various online messaging applications.
Currently it is still in development, and alpha version is available for free for public testing...